jennifer isn't worried. so it wouldn't stop you? >> no. it wouldn't stop me, no. unless i had a big huge thing in my arm then i would stop. >> reporter: it's the only place in california where the japanese bubble snail is found. if you got the rash while swimming at crown beach, there is not a lot you can do about it. but wait a few days and it will be gone. at crown beach, don ford, cbs 5. >>> a new approach to helping struggling home owners, that's in two minutes. ,,,,,,,,,,,,,,,, the agency is one of three in th s trying out >>> caltrain is experimenting with a new plan to cut down on suicides. the agency is one of three in the country trying out these new signs. they are on a 10-mile stretch between menlo park and mountain view. the difference with these signs is that the phone numbers do not spell out the words like help or suicide. >> it isn't necessarily easy to find the word help on a cell phone when it hasn't got the letters ton. >> the number and type of calls will be tracked. this will be the first time in the united states anyone has studied whether pr